baber/WOPTO huggingface dataset:
Patent JP-2003239223-A (JP)
Title: Elevating platform step
Inventor: SUZUKI SHIZUO
IPC: B61B1/02
Filed: 2002-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an elevating platform step which enables a person in a wheelchair to easily step on/off an electric train without relying on others.  <P>SOLUTION: The elevating platform step is formed of a platform step, a stool drawn by driving a motor toward a door of the electric train, a platform step base, a sliding rail arranged in the platform step base along a direction of vehicles of the electric train so as to ascend/descend the platform step, sliding plates engaging with the sliding rail to slide as a guide and having a plurality of rollers attached thereto in a rotatable manner, roller bearing slopes arranged on the platform step at a plurality of locations, the steps each having a horizontal portion and a sloping portion along the direction of the vehicles of the electric train, for engaging with the rollers and moving, and the motor for engaging with the sliding plates and driving the same so as to slide along the sliding rail.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237980-A (JP)
Title: Image forming device
Inventor: YOSHIKAWA TOMOYASU
IPC: H02P8/38
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming device advantageous in a cost, and capable of enhancing processing efficiency for an image forming device.  <P>SOLUTION: This image forming device has a motor drive using a stepping motor 101 and supplying a current by a constant current chopper control system, as a driving source for a paper conveying system, and has a chopping detecting means 201, a counting means 201 for counting a frequency of chopping, a comparison means 201 for comparing the frequency of the chopping with a reference frequency, a step-out detecting means 201 for judging step-out when the chopping frequency is judged to exceed the reference frequency, an inversion roller 39 for conveying paper to the second direction reverse to the first direction after conveying the paper to the first direction at first, and a paper detecting means 102 provided in an inversion position. In the image forming device, the inversion roller 39 starts paper conveying control to the second direction without bringing judgement as step-out jamming when the paper detecting means 102 detects the recording paper, even when detecting the step-out during the conveyance of the paper to the first direction.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003238261-A (JP)
Title: Basic refractory mortar
Inventor: HIRANO TAKAAKI
IPC: B22D11/10
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide basic refractory mortar in which the viscosity and adhesive properties of castable refractory are not changed over a long period of time after kneading with water, and, even when heated in various temperature regions from low temperature to high temperature, sufficient adhesive strength can be obtained, and which has excellent applicability.  <P>SOLUTION: The basic refractory mortar contains 1 to 2 pts.wt. sodium aluminate and 2 to 3 pts.wt. fused silica fine powder to 100 pts.wt. of refractory raw materials containing a magnesia raw material of ≥70 pts.wt., and alumina and silica raw materials of ≤30 pts.wt.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240934-A (JP)
Title: Optical element and spectroscope unit using the same
Inventor: KIKKO SHIGEO
IPC: G02B6/34
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize a light dispersing optical system by providing an optical element generating a wide-angle change with respect to a wavelength compared with a diffraction grating.  <P>SOLUTION: The optical element is formed of a multilayer structure in which at least part of the multilayer structure is of a repeated structure having a constant period. One end not in parallel with the layer surface of the multilayer structure is used as a light incident surface. One surface or both the surfaces in parallel with the layer surface is used as a light exiting surface. The periodic structure section of such the multilayer structure is regarded as a one-dimensional photonic crystal. The use of the fact that diffraction light from the one-dimensional photonic crystal has good directivity and that its direction has high wavelength dependence realizes a spectroscope unit having high resolution or a polarization separator without making the spectroscope unit or the polarization separator large-sized.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003243347-A (JP)
Title: Surface protective sheet used in process of polishing rear surface of semiconductor wafer and method thereof
Inventor: YAMAMOTO KAZUHIKO
IPC: C09J7/02
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface protective sheet for protecting the surface of a semiconductor wafer when the rear surface of the wafer is polished, which is hardly separated off when the rear surface is polished, capable of preventing a polishing solution from penetrating into the surface through it, enables a polishing operation to be precisely carried out, and is easily separated off after the polishing process is finished.  <P>SOLUTION: The surface protective sheet is used for protecting the surface of the semiconductor wafer when the rear surface of the wafer is polished, and is composed of a base film and a radiation-curing adhesive layer laminated on it. The base film is provided with high-transmittance parts (a) and low- transmittance parts (b) which are different from each other in radiation transmittance. Furthermore, the base film is provided with corresponding parts (a1) which serve as the high-transmittance parts (a) for areas of the applied wafer other than its peripheral part and corresponding parts (b1) which are located outside the corresponding parts (a1) and serve as the low-transmittance parts (b) for the peripheral part of the applied wafer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239659-A (JP)
Title: Wire screen for window screen
Inventor: FUKUDA TOSHIHIRO
IPC: E06B9/52
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wire screen capable of simply and easily locking and unlocking one side opening window sliding door without using a link structure (connection member).  <P>SOLUTION: A net is put on a frame formed of lumber, the frame can bend either up and down or right and left constituent member through a hinge, and either right and left or up and down part of divided wire screen frame can be rotated to the indoor side. It is favorable that the wire screen frame comprises an inside frame to which the net is set and an outside frame on which the inside frame is put.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003244306-A (JP)
Title: Portable telephone set
Inventor: SUGIYAMA FUMIHIDE
IPC: H04B7/26
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact and multi-functional portable telephone set enabling a user to efficiently operate complicated operation keys.  <P>SOLUTION: The portable telephone set is constituted of an operation part 11, a control part 12, a display part 13, a learning function part 14, a radio part 15, and a transmitting/receiving part 16. The learning function part 14 constructs a learning history management table including learning history names and learning history and the control part 12 can access the learning values of the learning function part 14 or a plurality of integrated set learning contents.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241409-A (JP)
Title: Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, method for forming electrophotographic image, electrophotographic image forming device and process cartridge
Inventor: ITAMI AKIHIKO
IPC: C08F30/08
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor maintaining preferable image density, resolution and cleaning property even for repeated copying, having small starting torque, causing no buckling of a cleaning blade and having only a little amount of abrasion in the film thickness of the photoreceptor, and to provide a method for manufacturing the photoreceptor, a method for forming an electrophotographic image, an electrophotographic image forming device and a process cartridge.  <P>SOLUTION: In the electrophotographic photoreceptor having at least a resin layer on a conductive supporting body, the resin layer contains a resin having a thermoplastic organic polymer component and a siloxane condensed component having a crosslinked structure. The thermoplastic organic polymer component has a structural unit expressed by general formula (1): -(SiR<SB>1</SB>R<SB>2</SB>O)<SB>n</SB>- and a charge transfer structural unit.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239633-A (JP)
Title: Opening frame
Inventor: KAWAKADO NAOKI
IPC: E06B1/34
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an opening frame which can prevent a view of a room from being damaged by an appearance of an opening frame part, even when an opening provided between rooms is closed with a sliding door.  <P>SOLUTION: A rebate groove 2, into which an end of the sliding door for making the opening freely openable/closable is to be inserted, is recessed in a frame inner surface of a vertical frame 1 of the opening frame. The frame inner surface, which is located on the side of a first room A with respect to the rebate groove 2, is covered with a first surface layer material 5. The frame inner surface, which is located on the side of a second room B with respect to the rebate groove 2, is covered with a second surface layer material 6. The surface materials 5 and 6 are elongated to a groove side surface of the rebate groove 2, respectively, so as to cover it.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241107-A (JP)
Title: Stage and microscope having this stage
Inventor: SAKANO HITOSHI
IPC: G02B21/26
Filed: 2002-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stage capable of changing the range of distance (stroke) at which the stage moves horizontally in X-Y directions according to an object for observation, and a microscope having this stage.  <P>SOLUTION: The stage has a plurality of planar members 1, 2 and 3 arranged in superposition on each other, in which a plurality of the planar members 2 and 3 move relatively horizontally. Such stage has a plurality of stroke limiting means 7a, 7b and 7c for limiting the distance at which the planar members 2 and 3 move relatively horizontally and the limitation of the distance at which the planar members 2 and 3 move horizontally is changed by a plurality of the stroke limiting means 7a, 7b and 7c.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003246721-A (JP)
Title: Whitening cosmetic
Inventor: HIKIMA TOSHIO
IPC: A61K8/44
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a whitening cosmetic which inhibits melanogenesis due to ultraviolet impairment, accelerates the excretion of a melanin pigment, synergistically enhances whitening effects, and is excellent is usability and storage stability.  <P>SOLUTION: This whitening cosmetic contains (A) an extract of Dioscorea composita and (B) at least one agent selected from the group consisting of a hyaluronic acid genesis accelerator, a cholesterol synthesis accelerator, a fatty acid synthesis accelerator, a ceramide synthesis accelerator, a metallothionein genesis accelerator, and a cornea hyaluronic acid-increasing agent.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003255469-A (JP)
Title: Film carrying device and film scanning system
Inventor: KATAGIRI MITSURU
IPC: H04N1/04
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a film carrying device by which photographic film is hardly damaged and image information recorded on the photographic film is accurately read, and a film scanning system equipped with the film carrying device.  <P>SOLUTION: The film carrying device is equipped with a carrying means for carrying the photographic film on which the image information is recorded in a subscanning direction crossing the optical path of emitted light from a light source, and a supporting means for supporting the photographic film carried by the carrying means in the vicinity of the optical path. In the device, the supporting means is equipped with a pair of supporting rollers 11b having a peripheral surface freely rolling along in the subscanning direction, and a pair of pressing rollers 12b having a peripheral surface freely rolling along in the subscanning direction. A gap being 0.01 to 0.3 mm is formed between a plane S1 including the peripheral surface of a pair of supporting rollers 11b and a plane S2 including the peripheral surface of a pair of pressing rollers 12b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002304801-A (JP)
Title: Disk reproducing device
Inventor: YOSHIDA SUSUMU
IPC: G11B17/028
Filed: 2002-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a disk reproducing device for reproducing a desired disk by intruding a disk reproducing section including a pickup or the like into a disk magazine arranging and housing a plurality of disks that can reduce a time of the disk until it is reproducible. SOLUTION: In the disk reproducing device including a disk container means where a plurality of trays each carrying a disk are arranged and are moved in their arrangement direction, a turntable carrying at least one disk and a clamper which clamps the disk in cooperation with the turntable, a disk reproduction means which selects one disk among the disks contained in the disk container means and reproduces the selected disk, and a moving means that moves the disk reproduction means between a reproduction position and an escape position located between the trays, the clamper clamps the disk when the disk reproduction means moves to the reproduction position.
Patent JP-2003211502-A (JP)
Title: Injection molding die
Inventor: WAKABAYASHI MASATO
IPC: B29C45/27
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To infallibly diminish a wasteful material consumption.  <P>SOLUTION: A sprue bush 17 is composed dividable into sections around its periphery accompanying a release of a movable mold 12 when releasing the movable mold 12. The sprue bush 17 is shaped tapered with its diameter increasing gradually from a front end to a back end, provided at its inside with a sprue duct 17a to mobilize a molten resin and made trisected with 120 degree intervals around its periphery. The sprue duct 17 is shaped, from the front end to the back end, into a straight cylinder of uniform diameter. First to third bush sections 17A to 17C are disassembled by a bush disassembling system 30 when releasing the movable mold 12.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003261126-A (JP)
Title: Plastic container and production method for the container
Inventor: SAITO TAKESHI
IPC: B29L22/00
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plastic container which has an improved decorative effect or the like by providing a partially glossy portion, the glossiness of which is higher than the other portions, on part of the container without needing an expensive material or an addition agent or an additional processing step, and to provide a production method for the container.  <P>SOLUTION: The plastic container is obtained by blow molding with a mold having a synthetic resin layer formed partially on the surface of the mold. Thus, the plastic container having on part of it a partially glossy portion the glossiness of which is higher than the other portions (preferably, a glossiness difference of 30 or more) is produced.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003254022-A (JP)
Title: Variable valve system
Inventor: KATO NORIO
IPC: F01L1/14
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To surely stop the rotations of a follow-up contact and direct hitting valve lifters for a solid cam by increasing the rotation stopping force of a lifter guide member applied to a cylinder head in a variable valve system.  <P>SOLUTION: The direct hitting valve lifter 10 is reciprocatingly moved by the solid cam 2 through the follow-up contact 21 to open and close a valve 4. The lifter guide member 30 comprises two rotation stopping part 33 for stopping the rotation of two adjacent direct hitting valve lifters 10 relative to the solid cam 2 and a connection part 31 for connecting two rotation stopping parts 33 to each other. The lifter guide member 30 is locked to the cylinder head 7 by engaging the connection part 31 with two valve guides 25 for guiding two valves 4 opened and closed by two direct hitting valve lifters 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003252718-A (JP)
Title: In vivo dihydroxyindole compound polymerization inhibitor
Inventor: MAEDA NORITOSHI
IPC: A61K8/00
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymerization inhibitor for inhibiting the in vivo dihydroxyindole compound polymerization caused by the irradiation of long wavelength UV light (UVA), and to provide a skin care preparation containing the polymerization inhibitor.  <P>SOLUTION: This polymerization inhibitor comprises 3-O-ethylascorbate.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003220432-A (JP)
Title: Pipe expanding device
Inventor: TOKURA KENJI
IPC: F28F1/32
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pipe expanding device for efficiently manufacturing a heat exchanger by integrating a multiple superposed heat radiation fin and a plurality of pipes inserted into the heat radiation fin by press-fitting a pipe expanding mandrel to expand the pipe into the pipe.  <P>SOLUTION: An operating plate 6 having a plurality of the pipe expanding mandrels 7 and provided freely ascendably/descendably, a pair of first guide bars 10 at the lateral position on the front side of an end plate 9, and a pair of second guide bars 11 at the lateral position on the rear side, are respectively provided apart between a base part 2 and a ceiling part 4. At least either of the front side or the rear side of the end plate 9 is mounted freely slidably on at least either of the first guide bars 10 or the second guide bars 11. A guide passage 2a of a conveying body 23 to transfer the heat exchanger is provided on the base part so as to be passable.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003256379-A (JP)
Title: Networked purchasing system
Inventor: NAKAMURA HIROYUKI
IPC: G06F21/32
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a networked purchasing system capable of improving security for user's own self.  <P>SOLUTION: A networked purchasing system provides a user with merchandise information through an open network of the Internet or the like, and uses fingerprint authentication as an identity authentication means when the system accepts a purchase order from the user to conduct merchandise trade transactions. The system comprises a terminal device that acquires and encrypts the fingerprint information on the user to transmit to a center device through the network, a database in the center device that has numbered each of the ten fingers individually and has stored fingerprint data corresponding to the numbers previously, a first code number set by the user and a second code number. For purchasing merchandise, the second code number and the encrypted fingerprint information corresponding to the second code number are collated with, and if the collation result shows a match, the purchasing of the merchandise is permitted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003255310-A (JP)
Title: Light shielding structure of liquid crystal projector
Inventor: INAMOTO MASAYUKI
IPC: G02B5/00
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal projector capable of shielding stray light without increasing the number of parts and man-hours for assembly by integrally forming a light shielding part positioned near an optical axis of a prism rather than edge parts of the prism on storage walls in the vicinity of a transmission liquid crystal panel arranged to a position opposed to a projection lens among the storage walls forming the transmission liquid crystal panels for R, G, B and the storage parts of the prism.  <P>SOLUTION: The respective packages 31, 33, 35 of the liquid crystal panels for R, G, B and the storage wall 70 forming the storage part of a cross dichroic prism 36 are integrally formed in a casing 12 of the liquid crystal projector 10. Both end parts (light shielding parts) 72, 72 of a recessed wall 71 surrounding the package 33 in the vicinity of the package 33 opposed to the projection lens 14 among the storage walls 70 are formed near the optical axis P of the cross dichroic prism 36 rather than the edge parts 37, 37 of the cross dichroic prism 36.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262318-A (JP)
Title: Rotary kiln
Inventor: AGAWA RYUICHI
IPC: F23G5/20
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotary kiln that can prolong the life of a refractory by efficiently cooling the refractory without requiring treatment of degradation of a shell and steam.  <P>SOLUTION: A first space defining member 35 and a second space defining member 45 both fixedly disposed annularly define a first space 33 and a second space 43 respectively against a cylinder 10. Cooling pipes 20 in the cylinder 10 and the first space 33, and the cooling pipes 20 and the second space 43 are interconnected respectively via first communicating portions 15 and second communicating portions 16 opening respectively in a surface of the cylinder 10 defining the first space 33 and a surface defining the second space 43. Even when the cylinder 10 is rotated, a cooling medium flows through the first space 33, the first communicating portions 15, the cooling pipes 20, the second communicating portions 16 and the second space 43 in this order smoothly without leakage to cool the cylinder 10 appreciably.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003264576-A (JP)
Title: Ip telephone communication system
Inventor: NAKAZATO HIROMI
IPC: H04L12/70
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an IP telephone communication system in which the deterioration of communication quality is reduced even when a clock packet is lost.  <P>SOLUTION: An IP exchanging device 1 has a plurality of IP network interfaces 11-14 for generating a clock packet for each address, and for transmitting it to an IP network, and transmits a first priority order clock packet and a second priority order clock packet from two or more IP network interfaces. An IP telephone device 3 has a first priority order clock detecting part 33 for detecting the first priority order clock signal, a second priority order clock detecting part 34 for detecting a second priority order clock signal, a receiving timer 35 for individually measuring a time until the reception of the next clock signal of each clock signal, and a clock disconnection informing part 36 for informing the IP exchanging device 1 of clock signal disconnection when a time until the reception of the next clock signal in the first priority order or the second priority order exceeds a prescribed time by the reception timer 35.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003159791-A (JP)
Title: Ink jet recording apparatus
Inventor: OTSU KAZUHIKO
IPC: B41J2/01
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate setting of timing from hitting of an ink to a recording medium to irradiation of ultraviolet ray to harden and fix the ink in forming an image on the recording medium using an electromagnetic radiant ray hardening ink, for example UV-ink, and to acquire superior image density and fixability, and to suppress the occurrence of odor from the recording medium after the formation of images.  <P>SOLUTION: An ink jet recording apparatus variably controls a time from the hitting of a UV-ray curable ink after being discharged from an ink jet recording head on a recording medium to the irradiation of UV-ray to the ink. UV-rays are irradiated to the ink so as to be the permeability amount of the ink obtained by the Bistow method equal to or less than 70% (0.7 Vmax), preferably, equal to or less than 30% (0.3 Vmax), after the transfer of the ink to the recording medium (Tw), whereby lowering of the image density, fixing defectively and occurrence of odor caused in a case of excess permeability can be prevented.  <P>COPYRIGHT: (C)2003,JPO